Final answer:
Gender dysphoria is a diagnostic category that describes individuals who do not identify as the gender associated with their biological sex and experience distress or dysfunction because of it. option a.
Step-by-step explanation:
When individuals do not feel comfortable identifying with the gender associated with their biological sex, then they may experience gender dysphoria. Gender dysphoria is a diagnostic category in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) that describes individuals who do not identify as the gender that most people would assume they are. This dysphoria must persist for at least six months and result in significant distress or dysfunction to meet DSM-5 diagnostic criteria. In order for children to be assigned this diagnostic category, they must verbalize their desire to become the other gender.